Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4AM callsign genealogy
Currently held by Foltarz, Mark A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WA4AM's current licensee, walking backwards.
- FOLTARZ, MARK AFLgranted 2013-05-04cancelled 2021-06-02
Successor callsigns
Callsigns held now by people who previously held WA4AM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4AM, oldest first.
- MC PHERSON, AL FL2008-09-10 → cancelled 2020-11-20
- Foltarz, Mark A FL2021-06-02 active